Serving spoon



FIG. 1 is a front elevational view of a serving spoon showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for a serving spoon, as shown. 